| 缩写 | 全称 | 中文释义 |
|---|---|---|
| O/A | On Arrival | 到达时 |
| OA | Organic Aerosol | 有机气溶胶 |
| OA | Operational instrumentation MDM (Manipulator Deployment Mechanism) -Aft | 操作仪表MDM（操纵器展开机构）-AFT |
| OA | Oxalic Acid | 草酸 |
| OA | Outdoor Adventure | 户外探险 |
| OA | Open Agility | 开放敏捷性 |
| OA | Overall | 总体 |
| OA | Oben Angef | 奥本安格夫 |
| OA | Opposites Attract | 异性相吸 |
| OA | Organic Acid | 有机酸 |